C111112111133131121133133313331333133313331323133313331333133313331323212213121   >>    C11111211113313112113313331333133313331333132313331333133313331333132321221312   <<    C111112111133131121133133313331333133313331323133313331333133313331323212213123   >>      C111112111133131121133133313331333133313331323133313331333133313331323212213122   >>